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13230211032 = 2333182333599
BaseRepresentation
bin11000101001001010…
…01111111111011000
31021011000222100122000
430110211033333120
5204043413223112
610024453201000
7645566636553
oct142445177730
937130870560
1013230211032
11567a122405
122692930160
13132aca604c
148d717369a
155267777dc
hex31494ffd8

13230211032 has 64 divisors (see below), whose sum is σ = 36771840000. Its totient is φ = 4407520032.

The previous prime is 13230210989. The next prime is 13230211067. The reversal of 13230211032 is 23011203231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13230210996 and 13230211014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376969 + ... + 410567.

It is an arithmetic number, because the mean of its divisors is an integer number (574560000).

Almost surely, 213230211032 is an apocalyptic number.

13230211032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13230211032 is an abundant number, since it is smaller than the sum of its proper divisors (23541628968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13230211032 is a wasteful number, since it uses less digits than its factorization.

13230211032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35437 (or 35427 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13230211032 its reverse (23011203231), we get a palindrome (36241414263).

The spelling of 13230211032 in words is "thirteen billion, two hundred thirty million, two hundred eleven thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 1823 3646 5469 7292 10938 14584 16407 21876 32814 33599 43752 49221 65628 67198 98442 100797 131256 134396 196884 201594 268792 302391 393768 403188 604782 806376 907173 1209564 1814346 2419128 3628692 7257384 61250977 122501954 183752931 245003908 367505862 490007816 551258793 735011724 1102517586 1470023448 1653776379 2205035172 3307552758 4410070344 6615105516 13230211032